First, because the (perceived) risk is relatively small, both of damage and the chances of damage.
Second (this is the point I think hn-like forums grossly underestimate) is because the alternatives are not really alternatives. In practice the likelihood of using Irc or some open source chat within a company with the same wide buy in as slack (or Skype etc) is 0.
Second (this is the point I think hn-like forums grossly underestimate) is because the alternatives are not really alternatives. In practice the likelihood of using Irc or some open source chat within a company with the same wide buy in as slack (or Skype etc) is 0.
The way to judge this is adoption.